diff options
Diffstat (limited to 'hw/ppce500_mpc8544ds.c')
| -rw-r--r-- | hw/ppce500_mpc8544ds.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c index 9379624e37..3b8b449a56 100644 --- a/hw/ppce500_mpc8544ds.c +++ b/hw/ppce500_mpc8544ds.c @@ -49,6 +49,7 @@ #define MPC8544_PCI_IO 0xE1000000 #define MPC8544_PCI_IOLEN 0x10000 #define MPC8544_UTIL_BASE (MPC8544_CCSRBAR_BASE + 0xe0000) +#define MPC8544_SPIN_BASE 0xEF000000 struct boot_info { @@ -164,6 +165,18 @@ static void mmubooke_create_initial_mapping(CPUState *env, tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX; } +static void mpc8544ds_cpu_reset_sec(void *opaque) +{ + CPUState *env = opaque; + + cpu_reset(env); + + /* Secondary CPU starts in halted state for now. Needs to change when + implementing non-kernel boot. */ + env->halted = 1; + env->exception_index = EXCP_HLT; +} + static void mpc8544ds_cpu_reset(void *opaque) { CPUState *env = opaque; @@ -172,6 +185,7 @@ static void mpc8544ds_cpu_reset(void *opaque) cpu_reset(env); /* Set initial guest state. */ + env->halted = 0; env->gpr[1] = (16<<20) - 8; env->gpr[3] = bi->dt_base; env->nip = bi->entry; @@ -199,7 +213,6 @@ static void mpc8544ds_init(ram_addr_t ram_size, unsigned int pci_irq_nrs[4] = {1, 2, 3, 4}; qemu_irq **irqs, *mpic; DeviceState *dev; - struct boot_info *boot_info; CPUState *firstenv = NULL; /* Setup CPUs */ @@ -234,9 +247,16 @@ static void mpc8544ds_init(ram_addr_t ram_size, env->spr[SPR_40x_TCR] = 1 << 26; /* Register reset handler */ - boot_info = g_malloc0(sizeof(struct boot_info)); - qemu_register_reset(mpc8544ds_cpu_reset, env); - env->load_info = boot_info; + if (!i) { + /* Primary CPU */ + struct boot_info *boot_info; + boot_info = g_malloc0(sizeof(struct boot_info)); + qemu_register_reset(mpc8544ds_cpu_reset, env); + env->load_info = boot_info; + } else { + /* Secondary CPUs */ + qemu_register_reset(mpc8544ds_cpu_reset_sec, env); + } } env = firstenv; @@ -289,6 +309,9 @@ static void mpc8544ds_init(ram_addr_t ram_size, } } + /* Register spinning region */ + sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL); + /* Load kernel. */ if (kernel_filename) { kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL); @@ -321,6 +344,8 @@ static void mpc8544ds_init(ram_addr_t ram_size, /* If we're loading a kernel directly, we must load the device tree too. */ if (kernel_filename) { + struct boot_info *boot_info; + #ifndef CONFIG_FDT cpu_abort(env, "Compiled without FDT support - can't load kernel\n"); #endif |